Layering thiab ua haujlwm ntawm cov hlab
Cov hlab plawg yog muab faib ua ib txheej, ob-txheej thiab tsib-theem hluavtaws, uas yog txawv ntawm kev tiv thaiv kev tawm tsam, kev tiv thaiv thiab kev xav. Piv txwv, lub tsib-raj raj muaj ib txheej txheej, ib txheej sab hauv, ob txheej nplaum, thiab txheej txheej. . Nta: Nws muaj cov khoom siv roj zoo heev, tuaj yeem tiv thaiv kev kis tau ntawm oxygen thiab ntxhiab roj, thiab tib lub sij hawm tiv thaiv cov kabmob ntawm cov khoom thiab cov exudation ntawm cov khoom xyaw dhia.
2, muab ob npaug coj los siv, yog nruab nrab thiab qis kuj tseem yog ib txheej, hose caliber 13 # -60 # ntau hom caliber, Thaum twg ib lub kab ntawm lub hose xaiv, nrog txawv ntev cim nrog cim peev xwm , 60ml, 150ml feem ntau siv 35 # -45 # caliber, ntau dua 150 ml yuav tsum tau siv ntau dua 45 # caliber.
